Abstract:
A pot experiment was conducted at the Horticulture Farm of Sher-e-Bangla
Agricultural University, Dhaka-1207, Bangladesh from October, 2018 to March, 2019
to determine the mitigation of salt stress (NaCl 0, 6, 9, 12 and 15 dSm
) through
salicylic acid (SA: 0, 100 and 200 ppm) in BARI Tomato- 15. The experiment was
laid out in Completely Randomized Design (CRD) with three replications. SA
alleviate salt stress on growth and metabolic activities of tomato plants. The data
which were collected during the experiment are plant height, number of leaves,
number of branches per plant, leaf area, days required for transplanting to 1
flowering, SPAD value, dry matter of plant, dry matter of fruit, number of flower
cluster per plant, number of flowers per cluster, number of flowers per plant, number
of fruit per plant, length of fruit, diameter of the fruit, weight of individual fruit, yield
per plant etc. The results revealed that, salt treatment induced drastic reduction in
growth characteristics of tomato plant through decreasing the plant height, number of
leaves, number of branches per plant, leaf area, days required for transplanting to 1
flowering, SPAD value, dry matter of plant, dry matter of fruit, number of flower
cluster per plant, number of flowers per cluster, number of flowers per plant, number
of fruit per plant, length of fruit, diameter of the fruit, weight of individual fruit, yield
per plant etc. In the majority of cases with the application of 100 ppm of SA
caused
partial decrease in the deleterious effects of salinity in all parameters of this study.
The highest yield (1411.0 g plant
-1
) was recorded from the application of 100 ppm of
SA
while the lowest yield (687.00 g plant
-1
) was found from 0 ppm of SA
under saline
condition. From this experiment, under saline and non-saline condition 100 ppm of
SA
gave the best result for all the growth and yield parameters.
